will have the following skills or proven experience: API Development: Proven experience designing and building RESTful APIs and services at scale. Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses). Programming Proficiency: Strong experience with C# and .NET frameworks. Solid understanding of More ❯
will have the following skills or proven experience: API Development: Proven experience designing and building RESTful APIs and services at scale. Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses). Programming Proficiency: Strong experience with C# and .NET frameworks. Solid understanding of More ❯
Edinburgh, Midlothian, United Kingdom Hybrid / WFH Options
Aberdeen
SQL, PL/SQL, Java, Python, Shell Scripting. Experience with data and reporting tools such as Oracle Analytics Cloud, Power BI, Tableau. Understanding of security and compliance standards including OAuth2, SAML, RBAC, encryption standards. We are proud to be a Disability Confident Committed employer. If you have a disability and would like to apply to one of our UK roles More ❯
maintain RESTful APIs and microservices to support platform functionality Build and optimise database schemas, queries, and data models for performance and scalability Implement secure authentication and authorization mechanisms including OAuth2 and SSO integrations Develop data processing pipelines using Azure services Write clean, well-documented, and testable code following industry best practices Troubleshoot and resolve production issues, ensuring system reliability and More ❯
/application servers such as NGINX, Apache, or JBoss. Exposure to monitoring and logging tools (ELK, Nagios, Splunk, DataDog, New Relic, etc.). Understanding of security and identity management (OAuth2, SSO, ADFS, Keycloak, etc.). Experience with version control systems (Git, Bitbucket, Subversion). Working knowledge of database technologies and query languages. Familiarity with Atlassian tools (Jira, Confluence) and agile More ❯
london, south east england, united kingdom Hybrid / WFH Options
Futuria
driven architectures, asynchronous processing, and tools like Celery or Kafka Familiarity with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Futuria
driven architectures, asynchronous processing, and tools like Celery or Kafka Familiarity with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs More ❯
Java 21, Spring Boot 3.x, Angular 15+, React 18+, REST APIs CI/CD & DevSecOps: Jenkins, GitHub/GitLab/BitBucket, SonarQube, Prometheus, Grafana, ELK Stack Security & Secrets Management: OAuth2/OpenID Connect, HashiCorp Vault, CyberArk This is a high-impact leadership role offering the opportunity to shape the bank's engineering capability and deliver transformational technology solutions at an More ❯
Employment Type: Full-Time
Salary: £100,000 - £130,000 per annum, Inc benefits
of expertise would be an advantage: Transport Ticketing. Point of Sale Terminals. Contactless Smartcards, ITSO. Contactless Payments and Payments Standards (cEMV, PCI). Internet Security and protocols – e.g. OWASP, OAuth2, OpenID. C# Developer/Embedded Software Engineer More ❯
expertise in digital engineering, CMS design and integration, cloud solutions, and data management. 2+ years of experience in technical architecture design and IT development. Familiarity with RESTful API design, OAuth2/API authentication, and workflow automation (Power Automate). Understanding of cybersecurity and global compliance requirements. Excellent communication and stakeholder management skills. Strong problem-solving, debugging, and testing skills. Ability More ❯
Leamington Spa, Warwickshire, England, United Kingdom
Crimson
Collaborate with cross-functional teams to deliver cohesive, end-to-end solutions. Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP). Knowledgeable in application security, including OAuth2 and JWT authentication. Interested in leveraging AI and automation to improve back-end processes. Interested? Please submit your updated CV to at Crimson for immediate consideration. Not interested? Do you More ❯
Leamington Spa, Warwickshire, Royal Leamington Spa, United Kingdom Hybrid / WFH Options
Crimson
Collaborate with cross-functional teams to deliver cohesive, end-to-end solutions. Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP). Knowledgeable in application security, including OAuth2 and JWT authentication. Interested in leveraging AI and automation to improve back-end processes. Interested? Please submit your updated CV to at Crimson for immediate consideration. Not interested? Do you More ❯
Telford, Shropshire, West Midlands, United Kingdom Hybrid / WFH Options
Capgemini UK Plc
coaching skills Quality Driven Adaptable/ability to context switch Stakeholder Management Optional Skills: Kubernetes Micro-services GraalVM Helm Mockito AWS Kibana Grafana Open API gRPC/Protobuf WCAG OAuth2/OpenID Sustainable Software Engineering Cucumber/Gherkin Selenium Agile Scrum Agile Practices Applicant must have SC Clearance or at least be eligible to obtain it. More ❯
experience with .NET development (C#, ASP.NET Core) • Strong experience with Entity Framework Core and PostgreSQL • Proficiency in RESTful API design and OpenAPI/Swagger documentation • Experience with authentication systems (OAuth2, JWT, Azure AD) • Knowledge of containerization (Docker) and Kubernetes/OpenShift • Experience with background job processing and scheduled tasks • Understanding of SOLID principles and clean architecture • Experience with unit testing More ❯
Master or Architectural Owner experience. ?? HMI design & implementation. ?? Interfacing with factory engineering teams . ??? Bonus expertise in: Transport Ticketing POS Terminals Contactless Payments (cEMV, PCI) Internet Security & Protocols (OWASP, OAuth2, OpenID) ?? Reports to: Software Delivery Lead If this sounds like you, please apply directly! Randstad Technologies is acting as an Employment Business in relation to this vacancy. More ❯
Strong understanding of data modelling and database technologies (SQL, NoSQL, ADX or similar) Demonstrable experience with DevOps pipelines, CI/CD, and automated testing Knowledge of secure coding practices, OAuth2 authentication, and role-based access control Excellent analytical and problem-solving skills with the ability to operate independently Confident communicator able to engage technical and non-technical stakeholders effectively Degree More ❯
Strong understanding of data modelling and database technologies (SQL, NoSQL, ADX or similar) Demonstrable experience with DevOps pipelines, CI/CD, and automated testing Knowledge of secure coding practices, OAuth2 authentication, and role-based access control Excellent analytical and problem-solving skills with the ability to operate independently Confident communicator able to engage technical and non-technical stakeholders effectively Degree More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Suits Me
will also... Demonstrate strong experience of developing Node.js/TypeScript application services Demonstrate good knowledge of REST APIs, contract testing, and API versioning Understand fundamentals of authentication/authorisation (OAuth2, JWT) Be comfortable with event-driven and idempotent service design Have worked in a fintech or similar regulated financial environment Communicate clearly and work well in a hybrid, cross-functional More ❯
bolton, greater manchester, north west england, united kingdom Hybrid / WFH Options
Suits Me
will also... Demonstrate strong experience of developing Node.js/TypeScript application services Demonstrate good knowledge of REST APIs, contract testing, and API versioning Understand fundamentals of authentication/authorisation (OAuth2, JWT) Be comfortable with event-driven and idempotent service design Have worked in a fintech or similar regulated financial environment Communicate clearly and work well in a hybrid, cross-functional More ❯
warrington, cheshire, north west england, united kingdom Hybrid / WFH Options
Suits Me
will also... Demonstrate strong experience of developing Node.js/TypeScript application services Demonstrate good knowledge of REST APIs, contract testing, and API versioning Understand fundamentals of authentication/authorisation (OAuth2, JWT) Be comfortable with event-driven and idempotent service design Have worked in a fintech or similar regulated financial environment Communicate clearly and work well in a hybrid, cross-functional More ❯